<template>
  <el-backtop :bottom="180"></el-backtop>
</template>
<style lang="css" scoped>
    .el-backtop{
        width: 80px;
        height: 80px;
        background: transparent url(../assets/images/fire.png) no-repeat;
        background-position: 50%;
        background-size: cover;
        box-shadow:none;
    }
</style>